BD Difco™ Yeast Nitrogen Base without Amino Acids
Used for classifying yeasts based on amino acid and carbohydrate requirements. BD™ Difco™ Yeast Nitrogen Base without Amino Acids is a dehydrated culture medium used in many molecular genetics applications. Prepared according to the formulas of Wickerham.
Manufacturer: Fischer Scientific
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Certifications/Compliance
ISO, 9000
Content And Storage
2°C to 8°C
Media Type
Yeast Nitrogen Base without Amino Acids
Formulation
Nitrogen Source:Ammonium sulfate 5g/LVitamins:Biotin 2μg/L, Calcium pantothenate 400μg/L, Folic acid 2μg/L, Inositol 2000μg/L, Niacin 400μg/L, p-Aminobenzoic Acid 200μg/L, Pyridoxine hydrochloride 400μg/L, Riboflavin 200μg/L, Thiamine hydrochloride 400μg/LCompounds Supplying Trace Elements:Boric acid 500.0μg/L, Copper sulfate 40.0μg/L, Potassium iodide 100.0μg/L, Ferric chloride 200.0μg/L, Manganese sulfate 400.0μg/L, Sodium molybdate 200.0μg/L, Zinc sulfate 400.0μg/LSalts:Monopotassium phosphate 1.0g/L, Magnesium sulfate 0.5g/L, Sodium chloride 0.1g/L, Calcium chloride 0.1g/L
Color
White to off-white
Form
Dehydrated Powder
Product Type
Microbiology Media
For Use With (Application)
For classifying Yeasts based on Nitrogen assimilation
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Description
- Yeast Nitrogen Base without Amino Acids contains all essential vitamins and inorganic salts necessary for the cultivation of yeasts except histidine, methionine, tryptophan and a source of carbohydrate
- Prepared according to Guenter’s modification of Wickerham’s Yeast Nitrogen Base formulation Good cultural response with Kloeckera apiculata 9774 and Saccharomyces cerevisiae 9080 pH (0.67% solution, 25°C): 5.4 ± 0.2 Yeasts are unicellular, eukaryotic, budding cells that are generally round-to-oval or elongate in shape
- They multiply principally by the production of blastoconidia (buds)
- Yeast colonies are moist and creamy or glabrous to membranous in texture
- Yeasts are considered opportunistic pathogens
- Order Info Prices are for units of one each unless otherwise specified.
SAFETY INFORMATION
- ShelfLife : 1825 Days
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Certifications/Compliance: ISO, 9000
Content And Storage: 2°C to 8°C
Media Type: Yeast Nitrogen Base without Amino Acids
Formulation: Nitrogen Source:Ammonium sulfate 5g/LVitamins:Biotin 2μg/L, Calcium pantothenate 400μg/L, Folic acid 2μg/L, Inositol 2000μg/L, Niacin 400μg/L, p-Aminobenzoic Acid 200μg/L, Pyridoxine hydrochloride 400μg/L, Riboflavin 200μg/L, Thiamine hydrochloride 400μg/LCompounds Supplying Trace Elements:Boric acid 500.0μg/L, Copper sulfate 40.0μg/L, Potassium iodide 100.0μg/L, Ferric chloride 200.0μg/L, Manganese sulfate 400.0μg/L, Sodium molybdate 200.0μg/L, Zinc sulfate 400.0μg/LSalts:Monopotassium phosphate 1.0g/L, Magnesium sulfate 0.5g/L, Sodium chloride 0.1g/L, Calcium chloride 0.1g/L
Color: White to off-white
Form: Dehydrated Powder
Product Type: Microbiology Media
For Use With (Application): For classifying Yeasts based on Nitrogen assimilation
Certifications/Compliance: __
Content And Storage: Refrigerate
Media Type: Listeria Enrichment Broth
Formulation: Pancreatic digest of Casein 17g/L, Soytone 3g/L, Dextrose 2.5g/L, Sodium Chloride 5g/L, Dipotassium Phosphate 2.5g/L, Yeast extract 6g/L, Cycloheximide 0.05g/L, Acriflavine HCl 15mg/L, Nalidixic Acid 0.04g/L
Color: __
Form: Dehydrated
Product Type: Microbiology Media
For Use With (Application): Selectively enrich Listeria from food
Certifications/Compliance: __
Content And Storage: Refrigerate
Media Type: Listeria Enrichment Broth
Formulation: Pancreatic digest of Casein 17g/L, Soytone 3g/L, Dextrose 2.5g/L, Sodium Chloride 5g/L, Dipotassium Phosphate 2.5g/L, Yeast extract 6g/L, Cycloheximide 0.05g/L, Acriflavine HCl 15mg/L, Nalidixic Acid 0.04g/L
Color: __
Form: Dehydrated
Product Type: Microbiology Media
For Use With (Application): Selectively enrich Listeria from food
